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Shtirlitz [24]
2 years ago
14

Find the value of 7 then what is the value of the expression -3b2+25

Mathematics
1 answer:
Mice21 [21]2 years ago
6 0
-147 +25 = 122 i am pretty sure this is right but i might be wrong

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2 Points
SOVA2 [1]

A

distributive property

-4x - y + 2x - 6y

Combine like terms

-2x - 7y

6 0
3 years ago
Read 2 more answers
Plot the points (0,1), (-1,3), (2, -3) and describe the resulting graph.
ivanzaharov [21]

check the picture below.

6 0
2 years ago
What is the justification for each step in solving the inequality?
Fed [463]

Step-by-step explanation:

3x+\frac{5}{8}\geq 4x-\frac{1}{2}

Subtract 5/8 on both sides

To subtract 5/8 we make the denominators same

3x\geq 4x-\frac{1*4}{2*4}-\frac{5}{8}

Addition or Subtraction property of order is used

3x\geq 4x-\frac{9}{8}

Subtract 4x on both sides

Addition or Subtraction property of order is used

-x\geq -\frac{9}{8}

Now divide both sides by -1

Multiplication or Division property of order is used

\frac{-x}{-1} \geq \frac{-\frac{9}{8}}{-1}

Multiplication or Division property of order is used

x\leq \frac{9}{8}



5 0
3 years ago
Trick question<br> whats 50 divided by half plus 10
hoa [83]
50:\frac{1}{2}+10=50\cdot\frac{2}{1}+10=50\cdot2+10=100+10=\boxed{110}
5 0
3 years ago
Which table represents the same linear relationship as y = 3x - 2?
Trava [24]

Answer:

Table 4  represents the same linear expression  as y = 3 x - 2.

Step-by-step explanation:

Here, the given expression is y = 3 x -2

So now check the any random pair of each table by putting in the given equation.

<u>TABLE 1 :  (2,-5)</u>

y = 3x -2  ⇒  -5 = 3(2) -2

or, -5 = -4 , NOT POSSIBLE

<u>TABLE 2 :  (0,3)</u>

y = 3x -2  ⇒  3 = 3(0) -2

or, 3 = -2 , NOT POSSIBLE

<u>TABLE 3 :  (1,2)</u>

y = 3x -2  ⇒  2 = 3(1) -2

or, 2 = 1 , NOT POSSIBLE

<u>TABLE 4 :  (1,1)</u>

y = 3x -2  ⇒  1 = 3(1) -2

or, 1 = 1 ,  POSSIBLE

checking for (2,4)

4 = 3(2) - 2  ⇒4 = 4 POSSIBLE

Here, table 4 satisfies the given points in the expression y = 3x -2

Hence, it represents the same linear expression .

3 0
2 years ago
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